Francis CharlesSeymour-Conway, 3rd Marquess of Hertford was born on 11 March 1777.1 He was the son of FrancisSeymour-Ingram, 2nd Marquess of Hertford and Hon.Isabella AnneIngram-Shepheard.1 He married Maria EmiliaFagnani, daughter of WilliamDouglas, 4th Duke of Queensberry and unknown wife(?), on 18 May 1798.1 He died on 1 March 1842 at age 64 at Dorchester House.1 He held the office of Member of Parliament (M.P.) (Tory) for Orford between 1797 and 1802.1 He held the office of Member of Parliament (M.P.) (Tory) for Lisburn between 1802 and 1812.1 He held the office of Recorder of Coventry and Bodmin.1 He was invested as a Privy Counsellor (P.C.) in 1812.1 He held the office of Member of Parliament (M.P.) (Tory) for County Antrim between 1812 and 1818.1 He held the office of Warden of the Stannaries between 1812 and 1842.1 He was invested as a Knight Grand Cross, Hanoverian Order (G.C.H.) in 1819.1 He held the office of Chief Steward and Vice-Admiral of the Duchy of Cornwall.1 He held the office of Member of Parliament (M.P.) (Tory) for Camelford between 1820 and 1822.1 He was invested as a Knight, Order of the Garter (K.G.) in 1822.1 He succeeded to the title of 3rd Earl of Hertford [G.B., 1750] on 17 June 1822.1 He succeeded to the title of 3rd Earl of Yarmouth, co. Norfolk [G.B., 1793] on 17 June 1822.1 He succeeded to the title of 3rd Marquess of Hertford [G.B., 1793] on 17 June 1822.1 He succeeded to the title of 3rd Viscount Beauchamp [G.B., 1750] on 17 June 1822.1 He succeeded to the title of 4th Baron Conway and Killultagh, co. Antrim [I., 1712] on 17 June 1822.1 He succeeded to the title of 4th Baron Conway of Ragley, co. Warwick [G.B., 1703] on 17 June 1822.1

RichardSeymour-Conway, 4th Marquess of Hertford was born on 22 February 1800.1 He was the son of Francis CharlesSeymour-Conway, 3rd Marquess of Hertford and Maria EmiliaFagnani.1 He died on 25 August 1870 at age 70 at Paris, France, unmarried.1 He and Elizabeth AgnesDunlop-Wallace were associated circa 1817 at Paris, France.2 He gained the rank of Captain in the service of the 22nd Dragoons.1 He held the office of Member of Parliament (M.P.) (Tory) for County Antrim between 1822 and 1826.1 He succeeded to the title of 5th Baron Conway and Killultagh, co. Antrim [I., 1712] on 1 March 1842.1 He succeeded to the title of 4th Earl of Hertford [G.B., 1750] on 1 March 1842.1 He succeeded to the title of 4th Earl of Yarmouth, co. Norfolk [G.B., 1793] on 1 March 1842.1 He succeeded to the title of 4th Marquess of Hertford [G.B., 1793] on 1 March 1842.1 He succeeded to the title of 5th Baron Conway of Ragley, co. Warwick [G.B., 1703] on 1 March 1842.1 He succeeded to the title of 4th Viscount Beauchamp [G.B., 1750] on 1 March 1842.1